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Fig. 2 | BMC Pulmonary Medicine

Fig. 2

From: Bronchiolar adenoma with diffuse pulmonary nodules: a extremely rare case report and review of literature

Fig. 2

Hematoxylin-and-eosin-stained sections of lung masses. a Irregular glands grew in a significant inflammatory background. b Micropapillae were occasionally formed by nonciliated cells (such as type II alveolar cells and club cells). c Ciliated columnar cells were identified occasionally. d Irregular glands, similar to adenocarcinoma, with a double cellular structure

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